Manufacture of cigarettes



March 19, '1940. A, BERND A 2,194,378

DIANUFACTURE 0F CIGARETTES Filed Feb. 2, 1937 5 Sheets-Sheei' l March 19, 1940. A. BERND MANUFACTURE 0F CIGARETTES Filed Feb. 2, 1957 5 Sheets-Sheet 2 March 19, 1940. A. BERND MANUFACTURE 0F CIlRET'IJIS` Filed Feb. 2, 1957 5 Sheets-Sheet 3 A. BERND MANUFACTURE 0F CIGARETTES March 19, A1940.

5 Sheets-Sheet 4 Filed Feb. 2, 1937 s ADObF BERND ,ByMz/Mf :VII-...lul

' ,mwen/toi:

March 1,9, 1940.

A. BERND MANUFACTURE 0F CIGARETTES Filed Feb. 2, 1937 5 Sheets-Sheet 5 T-wanton A DOLJF BER/vo 1 fg-:UNITEn sT Patented Mar. 19,f194oy; l

` Adolfy England,V assigner to Filter Tips In 'tedj-I London, England l Applicate@ February z, 1937; serial No. 123,690 InGreat Britain February 5, 1936` 1 r; adams: 01E 131,-@

` 1; This "inventionfrelates vto V themanufvacture: of cigarettes and is particularly concerned vsfitlfifimprovenients in the manufacture of Ilter tip'fcigj arettes by uniting axially aligned cigarettes or l lengthsof cigaretterod and ltertips or .niouthpiecev portions oy means "ofexternal uniting bands of cork or other suitable-material.

l The invention has for its objecttofprovide'an improved method for eecting'the-Wapping of withoutsuch lengths undergoinganyfaxial or 'f rotary movement, further' to provide apparatus for'c'arrying out the method 'referred'to' whereby ,v the-unitingof the aligned lengths maybey effectedhwith precision andy certaintyV at a `compara.-k

y vtivelyhighrate of output, and generally to'pro' v vide improvements in method` `and apparatus whereby the manufacture "of vfilter tipy cigarettes may be carried out economically,and/expeditiously.

The' invention is hereinafterdescribed by way ofexample with reference to the accompanying diagrammatic drawings, in Which: n

Figure 1 is a vievv'in side elevation partly'in' @25g-section illustrating one embodiment inv'accord- 'y 4.-4 thereofyand y f, g., .l Figure 5 is a fragmentary sectional= View takenv online 5--5 of Fig. l.y 6 is a', `plan vieW.- of 4that. part of the yappara-'- tus shown in Fig 5. ,11i-'x f f Fig. 7 isa detail plan lView of. one of the Wrap-f ping-mechanisms in an intermediatefiposition takenl oh a plane perpendicular.- tothe radius of the carrierl9. N jk Il fIn carrying the invention into effect.according Y' 45; to-oneembodimentand with vreference-to Figures f l and,2," oi` the accompanying diagrammatic '-draw.

'f ings,pairs. of cigarettes `l-With-interposed.iilter tips 21erv other mouthpiece portionsHarefed-'axially into -a channel-shaped lmember .3,:the lengths 50. having been previously assen;blerjlv by ysuitable known means.l Thex member 34 iscarried` on 3a lever Scipiyoted at '3b and provided With va rollerY 3cA which co-operat esv with a- `carn- 4u on/a; main `drivingshait- 4.a returnl 'spring'Scl being provided.

55. 'Under'the iniiuence of the Cami (la the member. 3 is moved towards a suction arm Rayon' ajrotary suction drinn 5 which is inoved.'intei-'mittently..byA

the engagement ofia gear` segmenti with a. gear y wheel .5h attachedrtov the drum ,vvhich.V during ao: thestatimryeperiods.1is 109km .bi/inpans-suph1 the uniting. bands around the. aligned lengthsfI as segmenta oilarger 'diameter'than 'the Vgear segment `(ico-operating with a stop disc 5c.V Suc-- tion Dholes 5d 'in` the armsfa extend from the'y concave'ends 5e of they armste a suction chamber 5f which communicates through a hole'q'wth a bore 5h in a fixed -spindle 57' on which thedrum 5 is' mounted.l vAstationary suctionfcut-off mem-fv The lengths carried-'by theA member 13 intofenl 'gagernent with the respective suction arrnl 501. are

retained thereon'by suction and oni-the 'nextl movement ofthe drum` 5 j are 'carried vintoV contact with thepreviously'pasted band l 'of` corkA yorthelike fed on'a suction drum 8y yin the' usual `manner,-the drum 8 being perferably geared to` thedrum 5 by the gear-8a meshing with the gear 5b. On' the next movement of :the drum 5 the aligned lengths with the uniting'band 'l attached arecarried'into a position'opposite a channel-y s'h'apd member'. v.The lmemberflli'sA mounted lila andprovidedwith rollers leb co-operating witncams 4b on the shaft ll and with springs me by'vvliichl movement ofthe member 9 towards the drum' 5jis effected.r When'the.-i-"nernber 9-'rnoves the' drum .5 4iti acts `to Wraphthef uniting band Y'. l

around approximatelyt-half'the .circumference of H `v n On `the next movement ofthe drum 5 the aligned lengths the lengths, as'shown' vin dotted lines.

with ithe.l bandr 'l Wrapped half (round vthe same registers with a groove l Iain afsecond suction drum. Ill. "On the next movement `ofthe drum' S'Vtaking place suctiontoithegrespective arm 5U, .l

isr cut off bythe member 5i so'that the assemblage comprising the aligned lengthsand the uniting band'is retained in therespective groove Ha by lsuction exerted' through holesy l Ibv communieating -with a suction chamber Mc which in turn communicates lthrough a holey I'ld with a bore 4l|ej in,a stationary: spindle Il lg on AWhich thev 4drum I l is mounted,"it being understood that the.-

bores 5hand Ile are connected toa suitable With thegear 5b.` On the .drumfdll the assemble ages are carriedto a.v position at Which a Wrapping device reciprocatable in a f direction parallel 'source' of suction; `The drum Il lmay bef gearedv l tothe 5 by means of the gear Hh meshing 'f u With the axisof the drum l I,'f.isprovi`ded. lThis Wrapping' device may bej'offyany suitableconstructiony and, asv shown in the drawings, it may -consist'of two suitably sha;iedvvrapping'members` 12a, Unmounted-on pinslzcnxedto a` member .l

'stancey ..bya conventional crank drive (not 'shownlfv connected to a link 2129.1 During'the movements of the drum `I l the wrapping device is'dis'posedybeyond one end or the other of the drumpand While the :drum yIl is stationary vthe wrapping .dev iqa? vH10-Yes axially. @10,11 the. as

12d provided With"-ro1lers' I2e running in-.guides IZLthe'member .|,2d beingreciprocated, for in' 55v r 2o ontwo'slidable spindles l0,n1ounted`in brackets scribed by a drum i61having grooves Nia-,Which semblage, asshoWn in AFigure 2, and eventually it passes clear offthe drum at the other end thereof. 'Ilhe drum Il then moves forward a stepA andV on the return movement of the 'Wrap-ll ping device itv passes along thenext assemblage on the drum H, the members lZo, 12o, belang;

shaped so as to havefthe desired Wrapp-ing action" on theband 'l in either direction-oi?moyemenaf.

If desired, the assemblage may be positioned on the drum il by means such'as stop'sifililfgFigdre-' 2) serving to prevent any possibilityof 'axial' movement of the assemblage While. thewrapping; device is acting thereon. i

The unitedv assemblages vare carried oi-lwthe` drum yIl step by step to a dischargepoint at Whichthey are; delivered on .tov a conveyory such .as a belt I5 passing over a roller lila., 'Arotary cutter ill operated in known manner may act to bisect" the assemblagesprior to their discharge, in Whichv case means such `as ilxed guidels. .i 3.may be provided to ll101. th, e assemblages rmly in the'grooves Ha duringthefcutting operation.

In a modification. as illustrated inV Figures 3 and 4', the assemblages are delivered tothe suction arms 5a yof the suction drum 5; as beiorede-` receive thelengths fromhoppevr or other feeding` means, the lengthsvbeing retained in the grooves liia'by meansofixedguides lf'lfextending up to the point 'at which thelengths aregtrans-` ferredto the suction; arm t'wi-- In this embodiment the drums may move Vcontinuously andthe drum i' may be geared tothe drumn by means ofA the gear ib meshing with the'gear The assemblage receivedonv the suction arm Ea, is carried into contact Withgthe uniting-handy? .fed on a suction drum 8 as'before described.suchf-drum 8 being geared to the drum 5 byy the'gearf 8a meshu ing with the gear 5k. The VassemblageWitl'i--tl'ie unitingband l 4attached'tlfieret'o is then. acted on by. a rotary member i8 having` grooves ital u which act tojpress: theguniting* band rl; around v'approximately half the circumierenceof'the as-` semblage, the member i8 being geared tothe drum 5 by means of the gear lb meshing with-the gear 5b. 'The assemblage vis then carriedto a position 'Y at which it registers With aigrooveA i977, in asuetion member Iarmounted-onacarrieri andat vthis position 4the assemblage is transferred by suction'from the snctionlarml 5a to the member lea. As shown, the carrier i9 is providedv With--a kseries of suction" members ida which at their cuter lends may be supportedrby and: attache'djto an end plate ISe 4). ',Eachvmeniber Ida is provided Withv'a borel 'l 9b communicating through i 'holes Sc with the groove lhandthrough a hole 69d with a suction" chamber E32' which in' turn communicates throghfholes isf' and QtaA with a v bore 263?) in a fixed spindlevZllk on Whichthe'carrier 60.;

i9-'isrotatable. The suction to the members Iga isy controlled by a fixedA suction cut-off member 22d! carried by an end plate 22 which' is ixedtoA the ,stationary spindle 2li.- The y'spindle-2i! mayv be mounted in supporting brackets! 2i .v

As the' assemblages are carried around ron the members 59o theyfare.acted on by Wrapping'dev vices ZS-moving, axiallyalong the assemblage so that thus/the Wrapping ofthe uniting band around th'e assemblage`vr is effected" by axially moving means While the assemblage is being carried later-Q ally and 'without any rotation of the assemblage. Each Wrapping device may consist of asubstam tially U -shaped member slidably mounted'oncross bars 2A. andA arranged to encircle the l'respective 75 member ISG', the 'ends 'of the member l23 being 2,194,378 v a y .i A

provided witlit's'uitably vshaped Wrapping 'hierrr-"pjI and'fu-rther comprising'actuating rollersion saidk '5 v bers `231), 23cfsimlar to the members ma, 12b

shown in Figure 1. Inasmuch, however,as in this 25""ix'ed1y mounted on the stationaryishaft-,ze l

Atgthedischarge position where the completedfj assemblage.isfdelivered'on to a conveyor belty I5.;` the suctionis cut oi bythe member 22a and at' the vsame time compressed air maybe admitted plate 22 registering with the bore ESD, .as shown" *y* int Figure 4*,*50 as to blow the'assemblage outY of 2l bei-ng pr'ovidedtc kensurethe proper ing of thefassemblage on-the. belt l5.

positie It will be 'understood that the mechanism f the grooveih on to the belt I5, suitable guides y' hereinbefore described maybe modified infvariou's"y I;

Ways-1,4 without departing from the ginvertiori;I Furthermore;theinvention'is applicable iorunitingsingle"cigarette,lengths` and single ilterftips- 1 or mouthpiece* portions andalso for uniting 'as-.ff semblages comprising more than three parts, Vin which case more than vone uniting band lWill. be y appliedI to each assemblage.

kindslof tobacco.- i f Icolaim; l l. A method assemblage laterally 'on said conveyory into" conf; tact With'a unitingband, transferring the'as1` semblagey with `the uniting `band attached ,to a

second conveyor, lappingv the uniting band around part ofthe circumference of the .assemblage and completing the Wrappingoi.v the uniting band around. the assemblage by displacing a wrapping device parallel to the axisfof saidassemblage.`

. 2. Apparatus forthe manufacture of filterv 'tipf cigarettes, comprising a conveyor, onwhich as semblages of lengths .of cigarette rod and-of mouthpiecefllling are carried laterally,means for positioning the saidassemblages on the conveyor,y 'a f and `Wrapping means movable axially along Ithe assemblages While positioned lonrtl ie zsaid conn :veyon i '3Q Apparatusas' claimedv in claim wherein\v ,y the axially-moving- Wrappingmeans is associated L furthe manufacture of lter ytip y cigarettes'lcyv uniting llengths of cigarette rod and ofv mouthpiece filling by meansoil erternal bands; comprising feeding an assemblage comprising the y Y lengths .to vbe unitedk to a conveyor carrying the fi;

. `Thainventnm is applicable rtov-.thpmducg.. Y. Off CUmDOSitiCgarettes containing two. different l.

with each positioning means on the'said conveyor,

Wrappingv means and mechanism for' moving the said wrapping means axially during movement of the said conveyor;v said'mechanism comprising 'af'f vstationary cam 'co-operating with therollers on` the axially moving Wrapping means isI associated with each positioning means onv the said. conveyor and mechanismis provided' for| moving thesaid the 'said conveyor', the said conveyor .-bein'g'prov` vwrapping means axially/"during Iinovernent oflfvg f j 7.0. f vided With'suction means for pc'asitioningthefas'-v semblages thereon' and Withl means ,ofY ciittin'gffl f 1 off the suction andforadmitting vcompres'sed air to eiect removal of the assemblage l" from-` saidvconveyor at the discharge point.-

'une .f a

5. Apparatus for the manufacture yof iiltery tip cigarettes, comprising an intermittently moving conveyor, suction means on said conveyor for positioning assemblages of lengths of cigaretterod and of mouthpiece filling, means for feeding the assemblages to the said suction means, mechanism for bringing previously pasted uniting bands into contact with the assemblages'positioned on the said conveyor, means acting in a direction approximately perpendicular to the axis of each assemblage to wrap the uniting band substantially half roundthe same, a second intermitte'ntlyl moving conveyor arranged to receive the assemblages With'the uniting band partly Wrapped therearound, and an axially movable Wrapping device arranged to moveaxially along each assemblage While said second conveyoris stationary to complete the `wrapping of the uniting band around the assemblage.

6. Apparatus as claimed in claim 5, `wherein the Wrapping device comprises folding members operating to wrap the uniting band around the assemblage in either directionv of movement of thewrapping device, the movement of the wrap- Vvping device in relation to one assemblage being opposite to the movement in relation to a preceding assemblage.

7. Apparatus for the manufacture of filter tip cigarettes comprising a continuously moving Wrapping conveyor, a continuously moving conveyor by which assemblages of lengths of cigarette rod and of mouthpiece filling are fed to said continuously moving Wrapping conveyor, means for bringing previously pasted uniting bands into contact with the said assemblages whileV carried on saidrst continuously moving conveyor, means acting to wrap uniting bands partially around the assemblages, means for positioning kthe assemblages on said wrapping ,conveyon an axially moving Wrapping device associated with each oi said positioning means, and mechanism for eec'ting axial movement of the Wraping devices during the continuous movementof the said wrapping conveyor.

8. Apparatus as claimed in claim 7, wherein the Wraping conveyor is of cylindrical formation, and said mechanism comprises a. xedly mounted cylindrical member provided With a cam groove, and means cooperating With said groove for effecting the movement or" said axially moving wrapping device. f p

9. A method for the manufacture of lter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece iilling by means of external bands, comprising depositing an assemblage of aligned lengths of cigarette rod and of mouthpiece lling on 'a conveyor, displacing said conveyor for carrying the assemblage laterally, and displacing a Wrapping device axially along saidv assemblage, While on lsaid conveyor, to wrap a uniting band about the assemblage.y f

10. A method for the manufacture of lfiltertip cigarettes by uniting lengths of cigarette rodl and of mouthpiece iilling by means of external bands, comprising depositing an assemblage of aligned lengths of cigarette rod and of mouthpiece filling on a conveyor for carrying the same laterally, intermittently displacing said conveyor for carrying the assemblage laterally, and, while the conveyor is stationary between intermittent displacements thereof, displacing a wrapping device axially along said assemblage, While on said conveyor, to wrap a uniting band about the assemblage 11. A method for the manufacture of filter tip and of mouthpiece lling byg means of external bands, comprising positioning an assemblage of aligned lengths of cigarette rod and of mouthpiece filling together with a uniting band in contact therewith on a conveyor, displacing said conveyor for carrying the assemblage laterally, and displacing a Wrapping device axially along said assemblage, While on'said conveyor, to wrap the uniting band about the assemblage While the assemblage is vbeing carried laterally.

13. A method for the manufacture of filter tip.v

cigarettes by uniting lengths of cigarette rod and of mouthpiece illing by means of external bands, comprising wrapping a 'uniting band partly about an assemblage of axially aligned lengths of cigarette rodandmcuthpiece lling, depositing said partly wrapped assemblage on a conveyor, displacing said conveyor for carrying the partly wrapped assemblage laterally, and ldisplacing `a Wrapping device axially along said asl semblage, While on said conveyor, to Wrap the uniting band about the. assemblage.

14. A method for the manufacture off filter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece filling by means of external bands, comprising effectingl a relative displacement between la Wrapping device and an assemblage of axially aligned lengths of cigarette rod and of mouthpieoeiilling in a direction perpendicular to the axis of the assemblage to partially Wrap al uniting band about said assemblage, depositing said partially wrapped assemblage on a conveyor, displacing said conveyor for carrying the partially wrapped assemblage laterally, and displacing a Wrapping device axially along said assemblage, 4while on said conveyor, to Wrap the uniting band about the assemblage.

15. A'method for the manufacture of filter tip cigarettes by uniting lengths of c-igarette rod and of mouthpiece filling by means of external. bands, comprising Wrapping a uniting band partly aboutA an assemblage of axially aligned lengths of cigarette lrod andof mouthpiece lling, depositing said partly lwrapped assemblage on a conveyor, displacing said conveyor .for carrying the partly Wrapped .assemblage laterally, anddisplacing a wrapping device laxially along said assemblage, while on said conveyor, to wrap the uniting band about the assemblage While the assemblage is Abeing carried laterally.

soI

16. A method for the, manufacture of lter tip cigarettesvby unitingv lengths of cigarette rod and of mouthpiece filling by means of external bands, comprising veiiecting a relative displacement between a partiahw'rapping device and an assemblage of axially aligned lengths of ciga-l ially along said assemblage, While on said con.- veyor, to Wrap the uniting band about the assemblage While the assemblage is being carried laterally. e

l?. Apparatus for the manufacture of iilterrtip cigarettes, comprising a conveyor, on which assemblages of lengths of cigarette rod and of mouthpiece filling are carried laterally, means for positioning said assemblages on the conveyor, Wrapping means movable axially along the assemblages while positioned on the conveyor, means for moving said conveyor intermittently, and means for displacing said axially movable Wraping means, while the conveyor is stationary, between intermittent movements and for displacing the wrapping means in an opposite direction after each intermittent movement of the conveyor.

18. A method for the manufacture of filter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece filling by means of external bands, comprising conveying an assemblage comprising the lengths to be united laterally into contact with a uniting band along a line intermediate the ends of said band, Wrapping the mid-portion of the uniting band partly about the assemblage by pressing the uniting band transversely to the axis of the assemblage symmetrically and simultaneously around the lengths to be united, and completing the Wrapping of the uniting band around the assemblage by the application of external lateral pressure progressively along said assemblage to close the ends of the uniting band around it. v

v19. A method for the manufacture of filter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece lilling by means of external bands, comprising holding an assemblage of aligned lengths of cigarette rod and of mouthpiece filling, conveying said assemblage laterally to a Wrapping zone, and Wrapping a uniting band around the assemblage, while so held, and While in the Wrapping Zone, by the application of external lateral pressure progressively along said assemblage to close the uniting band around it.

20. A method for the manufacture of filter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece filling by means of external bands, comprising holdingan assemblage yof aligned lengths of cigarette rod and of mouthpiece filling, intermittently conveying said assemblage laterally through a wrapping zone, and wrapping a. uniting band around the assemblage, while so held, and while in said Wrapping zone, during an interval in the conveying, by the application of external lateral pressure progressively along said assemblage tof'close the unitingband around it.

21. A method for the manufacture of iilter tip cigarettes by uniting lengths of cigarette rod and 'of mouthpiece filling by means of external bands, comprising holding an assemblage of alignedlengths of cigarette rod and of mouthpiece filling, conveying said yassemblage laterally through a Wrapping zone, and Wrapping a uniting band around the assemblage, While so held and during lateral conveying thereof through said Wrapping zone, by the application of external lateral pressure progressively along said assemblage to close the uniting band around it.

n 22. A method for the manufacture of iilter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece filling by means of external bands, comprising holding an assemblage .ofv

aligned lengths of cigarette rod and of mouthpiece filling, conveyingsaid assemblage laterally into contact with a uniting band, furthercony veying said assemblage together with said uniting band in contact therewith through 'a Wrappingzone, and wrapping the unitingband around the assemblage while so held and during lateral conveying thereof through said Wrapping zone, by the application of externallateral pressure progressively along said assemblage to close the uniting band around it. y

23. A method for the manufacture of filter tip cigarettes by uniting lengths of cigarette rod and of mouthpiece filling by means of externalbands,

comprising wrapping a uniting band partly aboutk an assemblage of axially aligned lengths of cigarette rod andof mouthpiece lling, so that the mid-portion of said unitingk band partly ,surrounds said assemblage, conveying said partly wrapped assemblage laterally through a Wrapping zone, and completing the wrapping of the uniting band around the assemblage bythe application of external lateral pressure progressively along said assemblage'to close the ends of the uniting band around it.

24. A method for the manufacture of filter tip cigarettes by uniting lengthsy of cigarette rod and of mouthpiece filling by means of external bands, comprising Wrapping the mid-portion of a uniting bandpartly about an assemblage by pressing the uniting band transverselyvv to the axis of the assemblage symmetricallyand 'simultaneously around the lengths Ato be united, con

veying said partly Wrapped assemblage laterally Y through a Wrapping Zone, and completing the Wrapping of the unitingband around the assemblage by the application of external lateral prespartly surrounds said assemblage, conveying said;

partly wrapped assemblage laterally through `a Wrapping zone, and completing the Wrapping of the uniting band around the assemblage during lateral conveying thereof through said Wrapping zone, by the application of external lateral pressure progressively along saidassemblage to-closel the ends of the uniting band around it. .p

26. A method for the manufacture of filter tip cigarettes by uniting lengths of cigarette rodI and of mouthpiece filling by meansl of external bands, comprising Wrap-ping the mid-portion of ADOLF BERND. Y 

